the deep freeze is bringing further misery to families trying to recover from sandy. staten island people who haven't had heat since october are taking refuge in tents. >> you can't describe it. unless you experience it, feel the wind biting at your skin it's hard to explain. >> reporter: and the cold weather is raising concerns about hypothermia at 30 below zero frost bite can happen in five minutes. temperatures aren't expected to rise until the weekend. >> threats north korea has they promise more rocket launches and a third nuclear test. leaders say they are targeting the united states. we are in the washington dc newsroom. >> reporter: officials in south korea analyzed a debrief and said north korea was testing for a missile that could travel 6200 miles which is far enough to reach the west coast. leaders say americans shouldn't be concerned at this point. they say a lot of work has to be done before north korea has the technology to mount a nuclear warhead on a missile . they are angry after the united states supported the un security council's move on tuesday t